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ultrapurity
释义
WordReference Random House Unabridged Dictionary of American English © 2024
ul•tra•pure
(ul′trə pyŏŏr
′
),
USA pronunciation
adj.
extremely pure, esp. without impurities:
ultrapure silicon for semiconductors.
ultra
- +
pure
1960–65
ul′tra•pure
′
ly
,
adv.
ul′tra•pu
′
ri•ty
,
n.
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prudelike
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prudent
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prudentially
prudentius
prudently
prudery
prudhoe bay
prud'hon
prudish
prudishly
prudishness
pruinose
prunability
prunable
prune
pruned
prunella
prunelle
prunello
pruner
pruning
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更新时间:2026/9/3 23:00:28